Dhamtec Pharma and Consultants-
Dhamtec Pharma and Consultants-

Impurity Standards

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Carvedilol EP Impurity B

Product Code:
DH / CVD/1002		Molecular Formula:
C39H39N3O6
CAS Number:
918903-20-5		Molecular Weight:
645.74
Synonyms: (3,3'-(2-(2-Methoxyphenoxy)ethylazanediyl)bis(1-(9H-carbazol-4-yloxy)propan-2-ol))


Carvedilol EP Impurity B

Product Code:
DH /CVD/1002		Molecular Formula:
C39H39N3O6
CAS Number:
918903-20-5		Molecular Weight:
645.74
Synonyms: (3,3'-(2-(2-Methoxyphenoxy)ethylazanediyl)bis(1-(9H-carbazol-4-yloxy)propan-2-ol))


Cefaclor EP Impurity A

Product Code:
DH /CFR/1001		Molecular Formula:
C8H9NO2
CAS Number:
875-74-1		Molecular Weight:
151.16
Synonyms: (2R)-(-)-2-Amino-2-phenylacetic acid


Cefaclor EP Impurity B

Product Code:
DH /CFR/1002		Molecular Formula:
C7H7ClN2O3S
CAS Number:
53994-69-7		Molecular Weight:
234.66
Synonyms: (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid


Cefaclor EP Impurity C

Product Code:
DH /CFR/1003		Molecular Formula:
C15H14ClN3O4S
CAS Number:
N/A		Molecular Weight:
367.81
Synonyms: (6R,7R)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid


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